Bullet Sensors & Transducers e-Digest, Vol. 83, Issue 9, September 2007: Product News

    (ISSN 1726- 5479)

 

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ISSYS Receives Patent for Fuel Cell Sensor

 

YPSILANTI, MI - (Marketwire - August 22, 2007) - Integrated Sensing Systems, Inc. (ISSYS) has announced that the U.S. Patent Office has granted them a utility patent (US 7,228,735) entitled "Fluid sensing device with integrated bypass and process therefor." A major hurdle in commercializing micro-fluidic devices has been their limiting low flow rates. This patent describes a new method and design which allow micro-fluidic sensors to monitor and test relatively high flow rates of fluids. This invention greatly reduces the complexity of micro-fluidic packaging for high flow applications.

 

Dr. Nader Najafi, ISSYS CEO, stated that "this patent is an important element in ISSYS' comprehensive IP portfolio for fluidic applications. Our patents play a key role in providing major competitive barriers to entry at different levels from processing, to packaging, to final applications." ISSYS fluidic products cover a wide range of applications in medical, analytical, and industrial fields, according to Dr. Doug Sparks, ISSYS Executive VP. This patent also goes into detail on applying this technology to fuel cells including Direct Methanol Fuel Cells (DMFCs) and reformed fuel cells. The methanol sensor is based on ISSYS' Micro Electro Mechanical System (MEMS) technology. The sensor is used to improve the efficiency of the DMFC by keeping the methanol to water concentration at an optimum level throughout the operating life of the fuel cell. This microfluidic technology offers advantages in system and sample size, cost and reliability over current approaches to fluidic density and chemical concentration measurement.

 

 

Contact:

 

Doug Sparks

Executive VP

Integrated Sensing Systems Inc. (ISSYS)

391 Airport Industrial Dr., Ypsilanti, MI 48198

Tel: (734) 547-9896 Ext. 119, fax: (734) 547-9964

E-mail: dsparks@mems-issys.com

Fuel Cell Sensor

 

 

 

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